#include "lvgl/lvgl.h"
#include "lvgl/src/libs/freetype/lv_freetype.h"
// #include "lvgl/demos/lv_demos.h"
#if LV_USE_SDL
#include "ui/ui.h"
#endif
#include <unistd.h>
#include <pthread.h>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>

static const char * getenv_default(const char * name, const char * dflt)
{
    return getenv(name) ?: dflt;
}

#if LV_USE_LINUX_FBDEV
static void lv_linux_disp_init(void)
{
    const char * device = getenv_default("LV_LINUX_FBDEV_DEVICE", "/dev/fb0");
    lv_display_t * disp = lv_linux_fbdev_create();

    lv_linux_fbdev_set_file(disp, device);
}
#elif LV_USE_LINUX_DRM
static void lv_linux_disp_init(void)
{
    const char * device = getenv_default("LV_LINUX_DRM_CARD", "/dev/dri/card0");
    lv_display_t * disp = lv_linux_drm_create();

    lv_linux_drm_set_file(disp, device, -1);
}
#elif LV_USE_SDL
static void lv_linux_disp_init(void)
{
    const int width  = atoi(getenv("LV_SDL_VIDEO_WIDTH") ?: "800");
    const int height = atoi(getenv("LV_SDL_VIDEO_HEIGHT") ?: "480");

    lv_sdl_window_create(width, height);
}
#else
#error Unsupported configuration
#endif

int main(void)
{
    lv_init();
    /*Linux display device init*/
    lv_linux_disp_init();

#if LV_USE_SDL
    // init input device
    lv_sdl_mouse_create();
    lv_sdl_keyboard_create();
    lv_sdl_mousewheel_create();
    lv_sdl_mousewheel_create();
#endif

#if LV_USE_LINUX_FBDEV
    // 创建触摸屏输入设备
    lv_indev_t * touch = lv_evdev_create(LV_INDEV_TYPE_POINTER, "/dev/input/event0");
    // 校准触摸屏坐标 黑色屏幕
    lv_evdev_set_calibration(touch, 0, 0, 1024, 600);
#endif
    ui_init();
	
    while(1) {
        lv_tick_inc(3);
        lv_timer_handler();
        usleep(3000);
    }
    return 0;
}
